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Ugo [173]
3 years ago
6

Give reasons on why soil is important? please help!! :)

Chemistry
1 answer:
Olenka [21]3 years ago
5 0
<span>Soil is a vital part of the natural environment. It is just as important as plants, animals, rocks, landforms, lochs and rivers. </span>
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Is chloride an element
nikklg [1K]
Yes chloride is an element.... hope this helps!!
4 0
2 years ago
How does a changing environment affect plant and animals threat live there
klio [65]

Explanation:

Changing the environment takes away habitats from animals and some nutrients plants need

Hope this helps :>

4 0
3 years ago
1.* Write the name and symbol of the ion formed when
wlad13 [49]
1a) anion and S-2
1b) cation and Al+3
1c) anion and N-3
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6 0
3 years ago
Read 2 more answers
What amount (moles) of compound is present in 1.00 g of each of the compounds in Exercise 54?
Anika [276]

Answer:

1. Caffeine, C₈H₁₀N₄O₂

Amount = 1.00/194 = 0.00515 moles

2. Ethanol, C₂H₅OH

Amount = 0.0217 moles

3. Dry Ice, CO₂

amount = 0.0227 moles

<em>Note: The question is incomplete. The compound are as follows:</em>

<em> 1. Caffeine, C₈H₁₀N₄O₂;</em>

<em>2. Ethanol, C₂H₅OH;</em>

<em>3. Dry Ice, CO₂</em>

Explanation:

Amount (moles) = mass in grams /molar mass in grams per mole

1. Caffeine, C₈H₁₀N₄O₂

molar mass of caffeine = 194 g/mol

Amount = 1.00 g/194 g/mol = 0.00515 moles

2. Ethanol, C₂H₅OH

molar mass of ethanol = 46 g/mol

Amount = 1.00 g/46 g/mol = 0.0217 moles

3. Dry Ice, CO₂

molar mass of dry ice = 44 g/mol

amount = 1.00 g/44 g/mol = 0.0227 moles

5 0
2 years ago
Are the chemical reactions that take place when a battery connected endothermic or exothermic
Vilka [71]

Answer:

The answer is endothermic as the heat flows into the system from the surroundings. The products are at higher energy than the reactants, as they have absorbed energy.

8 0
3 years ago
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